CN204639432U - Be applied to the two beam laser welding systems of miniaturized TOSA - Google Patents
Be applied to the two beam laser welding systems of miniaturized TOSA Download PDFInfo
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- CN204639432U CN204639432U CN201520337004.9U CN201520337004U CN204639432U CN 204639432 U CN204639432 U CN 204639432U CN 201520337004 U CN201520337004 U CN 201520337004U CN 204639432 U CN204639432 U CN 204639432U
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Abstract
The utility model relates to optical communication laser welding apparatus, particularly relates to two beam laser welding systems.A kind of two beam laser welding systems being applied to miniaturized TOSA are proposed, welding panel is fixed on welding desktop, be respectively arranged with left welding gun and backhand welding rifle above the left and right sides of welding panel, left welding gun and backhand welding rifle are fixed on bracing frame respectively by left welding gun fine setting platform and backhand welding rifle fine setting platform; Be provided with lens fixation kit directly over welding panel, the top of lens fixation kit is provided with the adjustable CCD imaging system in position, and the dead astern of welding panel is provided with infrared imaging system.The utility model adopts two bundle laser to weld TOSA collimation lens, the position of collimation lens is precisely determined by CCD imaging system and infrared monitoring system, ensure that welding precision and the reliability of laser weld, achieve the laser semi-automatic welding of TOSA chip and collimation lens, solve a difficult problem for the laser coupled technology of TOSA, in optical communication field, there is significant practical value.
Description
technical field:
The utility model relates to optical communication laser welding apparatus, particularly relates to two beam laser welding systems.
technical background:
Due to fiber optic communication there is Large Copacity, without electromagnetic interference, good confidentiality, fiber optic communication is at wide area network (WAN), and Metropolitan Area Network (MAN) (MAN), is used widely in Local Area Network.Along with China fiber to the home (FTTH, Fiber To The Home) the carrying forward vigorously and the Large scale construction of mobile communication 4G network of engineering, also more and more higher to the requirement of optical transceiver module, both required data transmission capacity and speed larger, require cheaper again.Make the plug-in device of low cost in optical communication system, become the first-selection of electro-optic conversion part.Light emission secondary module (the TOSA of miniaturized packaging shell, Transmitter Optical Subassembly) how to make plug-in device and become the key of opening up markets, and how the socket (Receptacle) that the laser in TOSA housing is accurately coupled to outside housing is become key technology.The laser efficient coupling utilizing collimation lens to be sent by TOSA chip also accurately fixes collimation lens by laser weld, and ensures that the product after welding possesses the key point that long-term reliability is this solution prior art difficult problem.Laser Welding Speed is fast, fusion penetration is large, it is little to be out of shape; can weld under room temperature under nitrogen protective condition; and can accurately locate; welding quality has long-time stability; therefore the problem adopting laser weld to solve fixing TOSA collimation lens has significant advantage; but most of manufacturer of present stage all adopts adhering process, there is the problem that long-term reliability is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of two beam laser welding systems realizing miniaturized TOSA precision welding, and this system has the welding that can realize semi-automation, welding precision is high, volume is little, reliable and stable advantage.
For achieving the above object, the technical solution adopted in the utility model is as follows: the two beam laser welding systems being applied to miniaturized TOSA, welding panel is fixed on welding desktop, be respectively arranged with left welding gun and backhand welding rifle above the left and right sides of welding panel, left welding gun and backhand welding rifle are fixed on bracing frame respectively by left welding gun fine setting platform and backhand welding rifle fine setting platform; Be provided with lens fixation kit directly over welding panel, the top of lens fixation kit is provided with the adjustable CCD imaging system in position, and the dead astern of welding panel is provided with infrared imaging system.
Described welding panel comprises welding bench and fine setting platform, and welding bench is bolted with fine setting platform.
Described left welding gun and backhand welding rifle symmetrical, and left welding gun, backhand welding rifle all become 60 ° of-64 ° of angles with the plane at jig place.
Described lens fixation kit comprises U-shaped folder and lens clamp.
Described CCD imaging system comprises CCD and finely tunes platform, ccd video camera, focusing lens, image amplifier, cross hairs generator and monitor, CCD finely tunes platform and is fixed on bracing frame, CCD finely tunes ccd video camera platform being installed with band focusing lens, and the output of ccd video camera connects image amplifier, cross hairs generator and monitor successively.
Described infrared imaging system comprises infrared remote receiver, infrared remote receiver fine setting platform and ir supervisor, and infrared remote receiver and infrared remote receiver are finely tuned platform and be fixedly connected with, and the output of infrared remote receiver connects ir supervisor.
The utility model adopts two beam lasers to weld TOSA collimation lens, and the energy balance difference of two bundle laser, within 3%, has that speed of welding is fast, fusion penetration is large and be out of shape little feature; The utility model comes the position of precise monitoring solder joint by CCD imaging system and infrared imaging system, and the welding bench adopted in system, lens clamp, precision adjustment all can be carried out according to welding requirements in the position of left and right welding gun and CCD imaging system, ensure that welding precision and the reliability of laser weld, achieve the laser semi-automatic welding of TOSA chip and collimation lens, solve a difficult problem for the laser coupled technology of TOSA, at optical communication field, there is significant practical value.
Accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram of the present utility model;
Fig. 2 is I place's partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of CCD imaging system in the utility model;
Fig. 4 is the structural representation of laser welding gun in the utility model.
In figure: 1-welding bench, 2-finely tunes platform, the left welding gun of 3-, 4-left welding gun fine setting platform, 5-backhand welding rifle, 6-backhand welding rifle fine setting platform, 7-CCD finely tunes platform, 8-CCD imaging system, 9-infrared remote receiver, 10-infrared remote receiver fine setting platform, 11-lens fixation kit, 12-CCD, 13-focusing lens, 14-image amplifier, 15-cross hairs generator, 16-monitor, 17-optical fiber, 18-welds desktop, 19-bracing frame.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Be applied in the two beam laser welding systems of miniaturized TOSA shown in Fig. 1,2, welding panel is fixed on welding desktop 18, and welding panel comprises welding bench 1 and fine setting platform 2, and welding bench 1 is bolted with fine setting platform 2.Fine setting platform 2 is fixed on welding desktop 18, and fine setting platform 2 can carry out X-axis, Y-axis and Z-direction and moves or rotate.The substrate of TOSA chip to be welded is positioned on welding bench 1, left welding gun 3 and backhand welding rifle 5 are set above the left and right sides of welding bench 1 respectively, left welding gun 3 and backhand welding rifle 5 are separately fixed on left welding gun fine setting platform 4 and backhand welding rifle fine setting platform 6, and entirety is fixed on bracing frame 19.Left welding gun 3 and backhand welding rifle 5 symmetrical, and left welding gun 3, backhand welding connect 5 rifles and all become 62 ° ± 2 ° angles with the plane at welding bench 1 place.Be provided with lens fixation kit 11 directly over welding bench 1, lens subassembly 11 comprises U-shaped folder and lens clamp, and lens clamp can carry out the fine adjustment of X-axis, Y-axis and Z-direction to lens.The top of lens fixation kit 11 is provided with the adjustable CCD imaging system in position, and the dead astern of welding bench is provided with infrared imaging system.Infrared imaging system comprises infrared remote receiver 9, infrared remote receiver fine setting platform 10 and ir supervisor, and infrared remote receiver 9 and infrared remote receiver are finely tuned platform 10 and be fixedly connected with, and the output of infrared remote receiver 9 connects ir supervisor.
As shown in Figure 3, CCD imaging system comprises CCD fine setting platform 7, ccd video camera 12, focusing lens 13, image amplifier 14, cross hairs generator 15 and monitor 16.CCD finely tunes platform 7 and is fixed on bracing frame 19, and CCD finely tunes the ccd video camera 12 platform 7 being installed with band focusing lens 13, and the output of ccd video camera 12 connects image amplifier 14, cross hairs generator 15 and monitor 16 successively.CCD imaging system can move along X-axis, Y-axis, the position of monitoring TOSA chip.
As shown in Figure 4, laser welding gun comprises left welding gun 3 and backhand welding rifle 5, left welding gun 3 and backhand welding rifle 5 are separately fixed on welding rifle fine setting platform, and can move along X-axis, Y-axis, Z-direction, left welding gun 3 is connected with providing the laser generator of welding energy by optical fiber 17 with backhand welding rifle 5.The optical maser wavelength of laser generator is 1.06 μm, energy instability≤± 2%, single fiber maximum output energy≤8J, focal beam spot diameter >=0.5mm, energy deviation≤± 3% between two-beam, Laser Focusing object lens operating distance 120mm, laser solder joint fusion penetration≤0.6mm, the long 5m of every root GI optical fiber, core diameter is 0.4mm, laser generator in native system adopts external circulating water-cooled cooling system, and this system has water level, hydraulic pressure, water temperature control warning function.
The concrete operations flow process adopting the utility model to carry out welding is as follows:
1. open laser generator by boot program, select corresponding laser weld program, corresponding laser weld parameters also can show relevant position in screen, and laser weld parameters can adjust as requested.Open welding system again, load and correct exemplar, regulate CCD focusing lens, image amplifier and cross hairs generator, make exemplar be arranged in the assigned address of CCD monitor screen, this position is exactly the position of substrate on welding table top of TOSA chip to be welded.Regulate left welding gun to finely tune platform and backhand welding rifle fine setting platform, make the central point of laser aiming cross hairs be positioned at the centre of Laser Welding spot.Give and correct exemplar and power on, regulate infrared remote receiver fine setting platform, the hot spot of the laser that collimation lens is exported is in the central authorities of ir supervisor screen, and so far verification of machine is complete, is in normal operating conditions.
2. the substrate of TOSA chip is clamped gently with tweezers, be placed on the assigned address that on welding bench, step 1 is determined stably, the position of TOSA chip substrate is observed by the monitor of CCD imaging system, and regulate welding bench to finely tune the fine setting platform of platform or rotary welding bench along X-axis, Y direction, make substrate be in correct welding position.By correct direction, the collimation lens installing U-shaped folder is loaded lens clamp.Regulate lens clamp fine setting platform, make lens move on to TOSA chip light-emitting mouth dead ahead, adjustment TOSA chip power supply electrode position, prepares to TOSA chip power supply.Necessarily chip can not be touched in the process, in order to avoid cause damage.
3. open Precision Current Component to TOSA chip power supply, observed by ir supervisor, the fine setting of collimation lens is realized from X-axis, Y-axis, Z-direction fine adjustment lens clamp, progressively reduce Precision Current Component output current simultaneously, generally be transferred between 10 ~ 30mA, lens clamp is carried out to the fine setting of X, Y, Z-direction, until obtain the brightest minimum oval hot spot in the central authorities of ir supervisor.Then regulate Z axis downwards, make the U-shaped folder bottom of collimation lens and the substrates into intimate contact of TOSA chip.
4. observed by the monitor of CCD imaging system, left and right welding gun is regulated to finely tune platform along X-axis, Y direction, the laser aiming cross hairs center of CCD imaging system is made to reach the position needing welding, step on floor push and control Laser emission, tackle two-winged shots continuously, collimation lens and TOSA chip substrate are welded and fixed.Then whether qualified by microscope trial inspection laser solder joint, there is no rosin joint, bulge, puncture, crackle is for judging qualified standard.Then upwards finely tune collimation lens, make laser facula be positioned at the central authorities of ir supervisor.
5. by welding the 2nd change-over switch, left and right welding gun is delivered to the seam crossing of U-shaped folder and lens by cylinder, upwards finely tune collimation lens again, laser facula is made to be positioned at the bottom of ir supervisor, step on floor push and control Laser emission, only launch 1 point, now laser facula turns back to the centre of ir supervisor, can see that in ir supervisor hot spot is as passing judgment on the qualified standard of welding.Then whether qualified by microscope trial inspection laser solder joint, there is no rosin joint, bulge, puncture, crackle is for criterion.
6. Precision Current Component output current is transferred to 70mA, promotes the detecting head of light power meter, before reaching infrared remote receiver, read maximum by light power meter, and this optical power value is recorded on TOSA chip tracking report.
7. from jig, carefully take off TOSA chip by correct procedure, put into gently and specially deposit aluminium dish, after being soldered 10, by by the quality of quality inspection personnel according to lens laser welding inspection standard detailed inspection laser weld.
The utility model adopts two bundle laser to weld TOSA collimation lens, the position of collimation lens is precisely determined by CCD imaging system and infrared monitoring system, ensure that welding precision and the reliability of laser weld, achieve the laser semi-automatic welding of TOSA chip and collimation lens, solve a difficult problem for the laser coupled technology of TOSA, in optical communication field, there is significant practical value.
Claims (6)
1. be applied to the two beam laser welding systems of miniaturized TOSA, it is characterized in that: welding panel is fixed on welding desktop, be respectively arranged with left welding gun and backhand welding rifle above the left and right sides of welding panel, left welding gun and backhand welding rifle are fixed on bracing frame respectively by left welding gun fine setting platform and backhand welding rifle fine setting platform; Be provided with lens fixation kit directly over welding panel, the top of lens fixation kit is provided with the adjustable CCD imaging system in position, and the dead astern of welding panel is provided with infrared imaging system.
2. the two beam laser welding systems being applied to miniaturized TOSA according to claim 1, is characterized in that: described welding panel comprises welding bench and fine setting platform, and welding bench is bolted with fine setting platform.
3. the two beam laser welding systems being applied to miniaturized TOSA according to claim 1, is characterized in that: described left welding gun and backhand welding rifle symmetrical, and left welding gun, backhand welding rifle all become 60 ° of-64 ° of angles with the plane at jig place.
4. the two beam laser welding systems being applied to miniaturized TOSA according to claim 1, is characterized in that: described lens fixation kit comprises U-shaped folder and lens clamp.
5. the two beam laser welding systems being applied to miniaturized TOSA according to claim 1, it is characterized in that: described CCD imaging system comprises CCD and finely tunes platform, ccd video camera, focusing lens, image amplifier, cross hairs generator and monitor, CCD finely tunes platform and is fixed on bracing frame, CCD finely tunes ccd video camera platform being installed with band focusing lens, and the output of ccd video camera connects image amplifier, cross hairs generator and monitor successively.
6. the two beam laser welding systems being applied to miniaturized TOSA according to claim 1, it is characterized in that: described infrared imaging system comprises infrared remote receiver, infrared remote receiver fine setting platform and ir supervisor, infrared remote receiver and infrared remote receiver are finely tuned platform and are fixedly connected with, and the output of infrared remote receiver connects ir supervisor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520337004.9U CN204639432U (en) | 2015-05-25 | 2015-05-25 | Be applied to the two beam laser welding systems of miniaturized TOSA |
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| CN201520337004.9U CN204639432U (en) | 2015-05-25 | 2015-05-25 | Be applied to the two beam laser welding systems of miniaturized TOSA |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397295A (en) * | 2015-12-24 | 2016-03-16 | 武汉创恒世纪激光科技有限公司 | Motor laser welding machine workbench and motor laser welding machine system |
| CN105522279A (en) * | 2016-01-15 | 2016-04-27 | 南京航空航天大学 | High-efficient laser-MIG (Metal-Inert Gas Welding) and TIG (Tungsten Inert-Gas Arc Welding) multifunction switching automatic welding equipment and welding method based on same |
| CN105665930A (en) * | 2016-03-10 | 2016-06-15 | 苏州伽蓝致远电子科技股份有限公司 | Laser spot welding device used for lenses |
| CN107359134A (en) * | 2017-07-28 | 2017-11-17 | 湖北三江航天红峰控制有限公司 | A kind of method and apparatus for realizing that bga chip reprocesses using laser |
| CN108098144A (en) * | 2018-01-22 | 2018-06-01 | 深圳市恒宝通光电子股份有限公司 | A kind of adapter spot welding device of laser |
| CN109211112A (en) * | 2018-09-29 | 2019-01-15 | 京东方科技集团股份有限公司 | Detection device, screen-tensioning machine |
| CN109664030A (en) * | 2018-11-23 | 2019-04-23 | 安徽翔胜科技有限公司 | A kind of radium-shine resistance adjuster |
| DE102019212904A1 (en) * | 2019-08-28 | 2021-03-04 | Contitech Mgw Gmbh | Welding device, preferably IR welding device |
-
2015
- 2015-05-25 CN CN201520337004.9U patent/CN204639432U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397295A (en) * | 2015-12-24 | 2016-03-16 | 武汉创恒世纪激光科技有限公司 | Motor laser welding machine workbench and motor laser welding machine system |
| CN105397295B (en) * | 2015-12-24 | 2017-10-31 | 武汉创恒世纪激光科技有限公司 | Motor laser bonding machine workstation and motor laser-beam welding machine system |
| CN105522279A (en) * | 2016-01-15 | 2016-04-27 | 南京航空航天大学 | High-efficient laser-MIG (Metal-Inert Gas Welding) and TIG (Tungsten Inert-Gas Arc Welding) multifunction switching automatic welding equipment and welding method based on same |
| CN105665930A (en) * | 2016-03-10 | 2016-06-15 | 苏州伽蓝致远电子科技股份有限公司 | Laser spot welding device used for lenses |
| CN107359134A (en) * | 2017-07-28 | 2017-11-17 | 湖北三江航天红峰控制有限公司 | A kind of method and apparatus for realizing that bga chip reprocesses using laser |
| CN107359134B (en) * | 2017-07-28 | 2020-09-11 | 湖北三江航天红峰控制有限公司 | Method and device for realizing BGA chip repair by using laser |
| CN108098144A (en) * | 2018-01-22 | 2018-06-01 | 深圳市恒宝通光电子股份有限公司 | A kind of adapter spot welding device of laser |
| CN109211112A (en) * | 2018-09-29 | 2019-01-15 | 京东方科技集团股份有限公司 | Detection device, screen-tensioning machine |
| CN109664030A (en) * | 2018-11-23 | 2019-04-23 | 安徽翔胜科技有限公司 | A kind of radium-shine resistance adjuster |
| DE102019212904A1 (en) * | 2019-08-28 | 2021-03-04 | Contitech Mgw Gmbh | Welding device, preferably IR welding device |
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